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I am a looking for step-by-step, clear and rigorous explanations of methodologies to compute electronic bands of semiconductors (GaAs for example) by solving the Schrodinger equation with the...
07 September 2020 448 3 View
Can excess doping produce enough internal electric field in a p-type semiconductor to exhibit Franz-Keldysh effect leading to band tailing? What could be the nature of such internal electric...
31 August 2020 8,434 2 View
Can anyone Tell me what is the model relation between resistivity and the temperature for a extrinsic semiconductor. Kindly provide with summarized clarification & model equation between...
31 August 2020 6,400 11 View
what the difference between the interaction of electromagnetic radiation with metals and semiconductor?
31 August 2020 9,618 4 View
If I am dealing with a simple conductor that follows Ohm's law I can take the dissipated electrical power for a DC current running through the conductor as P = U*I. However, I think that this...
31 August 2020 5,001 4 View
I want to increase the conductivity of ZnO by co-doping. What are the co-doping couples to improve the conductivity of ZnO?
31 August 2020 9,663 11 View
Is there any other new technologies or new methods to extract IPA from wastewater instead of distillation and salting out method?
21 August 2020 9,925 2 View
What is the mechanism of Burstein - Moss blue shift in heavily doped p-type INDIRECT BAND semiconductor? Initially in p - type semiconductor, the Fermi level is closer to valence band. Due to...
21 August 2020 680 4 View
Hello Everyone, I am working on lead free perovskite solar cells. I am interested to calculate charge carrier lifetime from time resolved photo-luminescence spectroscopy (TRPL). Kindly guide me...
20 August 2020 4,456 4 View
Can a wider bandgap nanoparticle or a molecule with a larger HOMO-LUMO energy gap increase/decrease the LDOS of a semiconductor with a smaller bandgap especially near the Fermi level? The...
15 August 2020 4,366 2 View
Should the space-charge region be considered in the electrical equivalent circuit used in EIS to analyze the oxide layer formed in the open circuit potential on titanium??
10 August 2020 3,098 4 View
Is there a relationship between the crystallinity nature "single crystal, polycrystalline or amorphous" and semiconductor material property at the nanoscale?
05 August 2020 4,674 7 View
Hi, my p-type field effect transistor is exhibiting positive Ids instead of negative Ids and I think this Ids might be all gate leakage current and there is no current through the semiconductor...
21 July 2020 4,291 13 View
I need to find out the energy levels of valence band and conduction band in case of oxide semiconductors. I want to know about the technique used to do that along with the measurement procedure.
07 July 2020 2,193 9 View
Dear colleagues: I need the electrical conductivity or resistivity of the following photocatalytic semiconductors and the following Heterostructures (made of two or more semiconductors joined...
07 July 2020 2,327 1 View
Hello everyone, I have done running pwscf and BoltzTraP calculation for bulk Mg2Si. After I plot the seebeck with energy, the plot shows that Mg2Si is p-type semiconductor (In the fermi energy,...
29 June 2020 5,398 3 View
Hello, I am trying to ANN from MATLAB to train ANN on effect of interference of one ion on another, and then based on this training providing 'accurate results'. I am new to Machine Learning...
24 June 2020 9,756 2 View
Diffusé réflectance or photoluminescence
24 June 2020 8,065 21 View
Undoped semiconductor shows better crystallinity in terms of higher photoluminescence (PL) intensity, in comparison to gallium doped semiconductor. But SEM images show that undoped semiconductor...
18 June 2020 5,723 8 View
Sub bandgap is absent in undoped semiconductor. Sub-gap appeared for 10% Ga-doping and again disappeared for highly doped sample such as 20%.
18 June 2020 1,633 4 View
Hi everyone, Do you have any experience working with semiconductor radiation detectors? Is it a reverse biased PN junction? Is there any way to build a cheap one or is there just too much thermal...
17 June 2020 3,101 18 View
I am looking for the solution of the attached document .I am not getting the questions . I have found many hints about it but getting confused about the correct one
17 June 2020 6,163 1 View
Dear all, I need to prepare electrical contacts in order to connect a gold pad with a semiconductor (few microm size) . i cannot perform lithographic process. Hence, how can I obtain good...
10 June 2020 9,987 8 View
Someone posted a similar question but I have a further question on strain (increase/ decrease atom distance). So I know that the distance increases and decreases the bandgap distance. But can it...
05 June 2020 929 5 View